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Alternative energy sources. Schemes, articles, descriptions

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Alternative energy sources

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Signal level indicators



Section Audio. It's no secret that the sound of the system largely depends on the signal level in its sections. By monitoring the signal at the transition sections of the circuit, we can judge the operation of various functional blocks: gain, introduced distortion, etc. There are also cases when the resulting signal is simply not possible to hear. In cases where it is not possible to control the signal by ear, various kinds of level indicators are used. For observation, both pointer instruments and special devices that ensure the operation of column indicators can be used. So, let's look at their work in more detail. ... >>

Resettable electronic fuse



Section Protection of equipment from emergency operation of the network, uninterruptible power supplies. The proposed electronic fuse monitors the load resistance. It not only turns it off in case of overload, but also restores itself to its original mode when the load resistance returns to normal. The high-speed electronic fuse described in article [1] automatically connects the load at the moment of power-up if there is no short circuit or overload in it. In the event of an overload, the fuse disconnects the load. To turn it on again, you must press the Start fuse button or turn the power off and on again, which is not always convenient ... >>

Parallel phone blocker



Section Telephony. The circuit disables the parallel telephone when the handset is lifted or the modem is used. It is installed on a blocked telephone set or in its line. When installing, you must observe the polarity of the inclusion, otherwise the phone will be constantly connected to the line ... >>

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Articles on alternative energy sources

 


 

General issues of alternative energy

Articles on alternative energy sources; schemes of alternative energy sources; descriptions of alternative energy sources: 17 articles

 


 

Тепловые насосы

Articles on heat pumps; heat pump schemes; descriptions of heat pumps: 22 articles

 


 

Biofuel energy

Articles on biofuels; schemes of biogas plants; descriptions of biogas plants: 46 articles

 


 

Wind energy

Articles on wind turbines; schemes of wind generators; descriptions of wind turbines: 101 articles

 


 

water energy

Articles on hydroelectric power stations; hydroelectric schemes; descriptions of hydroelectric power plants: 30 articles

 


 

Energy of geothermal waters

Articles on geothermal resources; schemes of geothermal thermal power plants; descriptions of geothermal thermal power plants: 9 articles

 


 

Energy of sun

Articles on solar batteries, solar collectors; solar powered circuits; descriptions of photovoltaic systems: 126 articles

 


 

All articles for an electrician

Regulatory documentation for an electrician

 


 

Latest news of science and technology, new electronics:

Sound-absorbing silk 17.05.2024

In a world where noise is becoming increasingly intrusive, the emergence of innovative materials that can reduce its impact is of great interest. MIT researchers have unveiled a new sound-absorbing silk fabric that promises to revolutionize quiet spaces. The Massachusetts Institute of Technology (MIT) has made significant breakthroughs in the field of sound absorption. Researchers have developed a special silk fabric that can effectively absorb sound and create cozy, quiet environments. The fabric, thinner than a human hair, contains a unique vibrating fiber that is activated when voltage is applied to it. This feature allows the fabric to be used to suppress sound waves in two different ways. The first method uses fabric vibrations to generate sound waves that cover and cancel out unwanted noise, similar to noise-canceling headphones. This p ... >>

High Energy Density Capacitor 17.05.2024

Energy plays a key role in many aspects of modern life, and the ever-increasing demand for efficient and fast-charging power sources is driving innovation. Researchers at the McKelvey School of Engineering at Washington University in St. Louis have taken a significant step forward with a high-energy-density capacitor that promises to revolutionize the world of energy. A team of scientists from the McKelvey School of Engineering at Washington University in St. Louis presented the results of their latest research on heterogeneous thin-film structures for capacitors. Researchers, working with ferroelectrics, inadvertently created a capacitor with an amazing energy density that is 19 times higher than that of conventional elements. This breakthrough opens up new prospects for the development of fast-charging batteries, which are so necessary in the modern world. Capacitors play a key role in various devices, providing stable ... >>

Causes of conflicts between brothers and sisters 16.05.2024

Family relationships are often complex and multi-layered, and conflicts between siblings are no exception. Research in this area can help us understand what factors underlie these conflicts and why they occur so frequently. Let's look at some of the findings from psychologists at Arizona State University. American psychologists from Arizona State University conducted a study aimed at identifying the causes of conflicts between brothers and sisters. They found that different forms of violence, whether physical or verbal, did not depend on the gender of the siblings. This means that both girls and boys can exhibit aggressive behavior towards their loved ones. Other studies have shown that conflict between siblings often persists into adulthood, even as contact decreases. This indicates that people often follow established patterns of behavior formed in childhood. It was also found that, despite ... >>

Random news from the Archive

Antarctica is being seeded 28.09.2012

Inhospitable Antarctica in recent years has attracted not only winter explorers, but also tourists arriving on cruise ships. Botanists from the Republic of South Africa (Stellenbosch University) vacuumed the clothes, shoes and luggage of 33 tourists and 7100 professional polar explorers who visited Antarctica in 2007 and 2008.

On average, they found seeds of ten species of plants on each of the surveyed. Participants of scientific expeditions had five times more seeds than tourists, apparently because they are more often in contact with nature at work. The importation of seeds (according to estimates, tens of thousands are imported annually) poses a certain danger to the fragile circumpolar nature, especially since global warming is approaching the mainland.

In the vicinity of four polar research stations, annual bluegrass is already growing - a common cereal in the middle zone. Among randomly imported plants there are other cereals, as well as dandelions.

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